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Sigelei Fuchai DUO-3 175W MOD ***2 Cover Edition***


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Sigelei Fuchai DUO-3 175W MOD 2 Cover Edition is a fine-tuned box mod, thanks to the advanced chipset. There are also a few minor changes and tweaks that set it apart from the Fuchai series from Sigelei, although it hit the nail when it comes to the basics of vaping: temperature control, wattage, and TCR modes.

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Sigelei Fuchai DUO-3 175W MOD (2 Cover Edition)

Sigelei Fuchai DUO-3 175W MOD is one of the newest additions to the vape mod collection from Sigelei’s Fuchai series. This vape mod comes in a neat black box with a few changes and modifications that would differentiate it from past models. This 2 cover version of the box mod integrates a versatile chipset that has the ability to quickly change from a modular two or three batteries platform. Thus, it offers optimum versatility when it comes to function and performance.

The Sigelei Fuchai DUO-3 175W MOD offers a battery cover and another three-battery cover. Hence, you can get power and flexibility with this device, which makes it one of the industry’s longer lasting output technology box mods.

The Sigelei Fuchai DUO-3 175W MOD build is constructed with zinc alloy material, which is highly durable. The body also features a soft contour chassis that is easy to grip with your hands, delivering in terms of ergonomic design. Another distinctive feature of this box mod is the centralized control face layout. It is equipped with a large 1-inch OLED display screen that offers full-color resolution. This display allows the information to be displayed in pleasing aesthetics and also easy for the user to see.

Adding to the ergonomic design and build for Sigelei Fuchai DUO-3 175W MOD is the location of the adjustment buttons. They are located right below the display screen so they are easy to find. Meanwhile, the oversized firing mechanism is located on top for easy access.

The powerful chipset that is used to power Sigelei Fuchai DUO-3 175W MOD is known for its performance and reliable output. It is capable of producing an output of 225W. To enhance the versatility of the device, it comes with customizable temperature control settings and various working modes. The device’s firmware can be upgraded so you have access to the latest features available to the device in the future.


  • Elegant structure lines with many color options
  • Big fire button, great hand feeling
  • 1.0 inch color screen
  • Support USB 2.0 upgrading
  • Easy operation, and very practical


  • Size:42*33*85mm
  • Material:Zinc Alloy
  • Wattage Range:10W~175W
  • Temperature Range:100℃~300℃/212℉~572℉
  • Input Volt:6.4V~8.4V
  • Output Volt:1.0V~7.5V
  • Battery Support:2*18650
  • Working Modes:Power/TC(Ni200/Ti1/SS/TCR/TFR)
  • Resistance:0.1Ω~3.0Ω
  • Supporting Micro USB Charging:DC 5V/2.5A
  • Screen: 1.0”OLED


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